Upādhyāya, S. (1969). Dādūdayāla: Jīvana, darśana, aura kāvya. Prabhāta Kumāra Upādhyāya].
Dyfyniad Arddull ChicagoUpādhyāya, Santanārāya⁻na. Dādūdayāla: Jīvana, Darśana, Aura Kāvya. [Kalakattā: Prabhāta Kumāra Upādhyāya], 1969.
Dyfyniad MLAUpādhyāya, Santanārāya⁻na. Dādūdayāla: Jīvana, Darśana, Aura Kāvya. Prabhāta Kumāra Upādhyāya], 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.